//package com.pig4cloud.pig.gateway.config;
//
//import com.alibaba.nacos.client.naming.event.InstancesChangeEvent;
//import com.alibaba.nacos.common.notify.Event;
//import com.alibaba.nacos.common.notify.NotifyCenter;
//import com.alibaba.nacos.common.notify.listener.Subscriber;
//import com.alibaba.nacos.common.utils.StringUtils;
//import lombok.RequiredArgsConstructor;
//import org.springdoc.core.properties.AbstractSwaggerUiConfigProperties;
//import org.springdoc.core.properties.SwaggerUiConfigProperties;
//import org.springframework.beans.factory.InitializingBean;
//import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
//import org.springframework.cloud.client.discovery.DiscoveryClient;
//import org.springframework.context.annotation.Configuration;
//
//import java.util.Set;
//import java.util.stream.Collectors;
//
///**
// * SpringDoc配置类，实现InitializingBean接口 swagger 3.0 展示
// *
// */
//@RequiredArgsConstructor
//@Configuration(proxyBeanMethods = false)
//@ConditionalOnProperty(value = "springdoc.api-docs.enabled", matchIfMissing = true)
//public class SpringDocConfiguration implements InitializingBean {
//
//	private final SwaggerUiConfigProperties swaggerUiConfigProperties;
//
//	private final DiscoveryClient discoveryClient;
//
//	/**
//	 * 在初始化后调用的方法，用于注册SwaggerDocRegister订阅器
//	 */
//	@Override
//	public void afterPropertiesSet() {
//		NotifyCenter.registerSubscriber(new SwaggerDocRegister(swaggerUiConfigProperties, discoveryClient));
//	}
//
//}
//
///**
// * Swagger文档注册器，继承自Subscriber<InstancesChangeEvent>
// */
//@RequiredArgsConstructor
//class SwaggerDocRegister extends Subscriber<InstancesChangeEvent> {
//
//	private final SwaggerUiConfigProperties swaggerUiConfigProperties;
//
//	private final DiscoveryClient discoveryClient;
//
//	/**
//	 * 事件回调方法，处理InstancesChangeEvent事件
//	 * @param event 事件对象
//	 */
//	@Override
//	public void onEvent(InstancesChangeEvent event) {
//		Set<AbstractSwaggerUiConfigProperties.SwaggerUrl> swaggerUrlSet = discoveryClient.getServices()
//			.stream()
//			.flatMap(serviceId -> discoveryClient.getInstances(serviceId).stream())
//			.filter(instance -> StringUtils.isNotBlank(instance.getMetadata().get("spring-doc")))
//			.map(instance -> {
//				AbstractSwaggerUiConfigProperties.SwaggerUrl swaggerUrl = new AbstractSwaggerUiConfigProperties.SwaggerUrl();
//				swaggerUrl.setName(instance.getServiceId());
//				swaggerUrl.setUrl(String.format("/%s/v3/api-docs", instance.getMetadata().get("spring-doc")));
//				return swaggerUrl;
//			})
//			.collect(Collectors.toSet());
//
//		swaggerUiConfigProperties.setUrls(swaggerUrlSet);
//	}
//
//	/**
//	 * 订阅类型方法，返回订阅的事件类型
//	 * @return 订阅的事件类型
//	 */
//	@Override
//	public Class<? extends Event> subscribeType() {
//		return InstancesChangeEvent.class;
//	}
//
//}
